26298240 has 64 divisors (see below), whose sum is σ = 83831760. Its totient is φ = 7012352.

The previous prime is 26298227. The next prime is 26298253. The reversal of 26298240 is 4289262.

It is an interprime number because it is at equal distance from previous prime (26298227) and next prime (26298253).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4929 + ... + 8768.

Almost surely, 2^26298240 is an apocalyptic number.

26298240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26298240 is an abundant number, since it is smaller than the sum of its proper divisors (57533520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26298240 is a wasteful number, since it uses less digits than its factorization.

26298240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719 (or 13707 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26298240 is about 5128.1809640456. The cubic root of 26298240 is about 297.3780400690.

The spelling of 26298240 in words is "twenty-six million, two hundred ninety-eight thousand, two hundred forty".